20216457075

素因数分解:

$3^1\times 5^2\times {\mathrm{191}}^1\times {\mathrm{1411271}}^1$

素因数の和:1411475

約数の個数: 24

約数和(自身を含む): 33599563776

約数和(自身を除く): 13383106701

約数列:

[1, 3, 5, 15, 25, 75, 191, 573, 955, 2865, 4775, 14325, 1411271, 4233813, 7056355, 21169065, 35281775, 105845325, 269552761, 808658283, 1347763805, 4043291415, 6738819025, 20216457075]

約数ペア:

[(1, 20216457075), (3, 6738819025), (5, 4043291415), (15, 1347763805), (25, 808658283), (75, 269552761), (191, 105845325), (573, 35281775), (955, 21169065), (2865, 7056355), (4775, 4233813), (14325, 1411271)]